(19)
(11) EP 2 171 615 A2

(12)

(88) Date of publication A3:
22.05.2009

(43) Date of publication:
07.04.2010 Bulletin 2010/14

(21) Application number: 08768657.2

(22) Date of filing: 20.06.2008
(51) International Patent Classification (IPC): 
G06F 17/30(2006.01)
(86) International application number:
PCT/US2008/007686
(87) International publication number:
WO 2009/005602 (08.01.2009 Gazette 2009/02)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 27.06.2007 US 937320 P

(71) Applicant: Dolby Laboratories Licensing Corporation
San Francisco, CA 94103-4813 (US)

(72) Inventors:
  • JIANG, Wenyu
    San Francisco, California 94103-4813 (US)
  • LATHROP, David, Neil
    Fremont, CA 94538 (US)

(74) Representative: Dendorfer, Claus 
Dendorfer & Herrmann Patentanwälte Partnerschaft Bayerstrasse 3
80335 München
80335 München (DE)

   


(54) INCREMENTAL CONSTRUCTION OF SEARCH TREE WITH SIGNATURE POINTERS FOR IDENTIFICATION OF MULTIMEDIA CONTENT